package lab03.test03;

import javax.smartcardio.CommandAPDU;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

    public class Test {
        public static void main(String[] args) {
            //字节流读写文件
            String path="D:\\test.txt";
            String value1="Beijing欢迎你！";
            String value2="我的学号是：1606101125";
            FileOutputStream fileOutputStream=null;
            try {
                fileOutputStream=new FileOutputStream(path);
                fileOutputStream.write(value1.getBytes());
                fileOutputStream.write(value2.getBytes());
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }finally{
                try {
                    fileOutputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            //读文件
            FileInputStream fileInputStream=null;
            try {
                fileInputStream=new FileInputStream(path);
                int tmp;
                while((tmp=fileInputStream.read())!=-1){
                    System.out.print((char)tmp);
                }
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            }finally{
                try {
                    fileInputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
